further work on modprobe

further work on modprobe

function                                             old     new   delta
gather_options_str                                     -      75     +75
config_file_action                                   388     413     +25
load_modules_dep                                     175     192     +17
add_probe                                             67      72      +5
modprobe_main                                        494     488      -6
gather_options                                        89       -     -89
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 3/1 up/down: 122/-95)            Total: 27 bytes